2) to reduce the number of rejects and seconds
降低废品、次品率
4) reduction of rejection rate
降低化废率
5) yield reduction
成品率降低
6) low-grade phosphate gangue
低品位磷矿废石
1.
The leaching of phosphate ore with sulfuric acid produced by the oxidation of reductive sulfur with Thiobacillus is expected to provide a new way for the comprehensive utilization of low-grade phosphate gangue and protection of environment.
用硫杆菌氧化还原态硫产生硫酸来浸出磷矿,可望为低品位磷矿废石的综合利用及环境保护开辟新的途径,但是用硫杆菌浸出磷矿的浸出率较低。
补充资料：降低
下降；使下降：温度～了ㄧ～物价 ㄧ～要求。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条